Stud earring



FIG. 1 is a front view of the stud earring illustrating the new design;

FIG. 2 is a rear view of the stud earring illustrated in FIG. 1;

FIG. 3 is a right side elevational view of the stud earring shown in FIG. 1;

FIG. 4 is a left side elevational view of the stud earring illustrated in FIG. 1;

FIG. 5 is a bottom view of the stud earring illustrated in FIG. 1;

FIG. 6 is a top view of the stud earring illustrated in FIG. 1; and,

FIG. 7 is a top right perspective view of the stud earring illustrated in FIG. 1. 

The ornamental design for a stud earring, as shown and described. 